Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cd514bdaa87e48b52d4074390043f19ce43ea2c4
Commit: cd514bdaa87e48b52d4074390043f19ce43ea2c4
Parent: bebf963fec2f319d162c18d06b6592f572c9c101
Author: Tim Shimmin <[EMAIL PROTECTED]>
AuthorDate: Mon Oct 15 13:18:59 2007 +1000
Committer: Tim Shimmin <[EMAIL PROTECTED]>
CommitDate: Tue Oct 16 14:23:21 2007 +1000
[XFS] Put back the QUEUE_ORDERED_NONE test in the barrier check.
Put back the QUEUE_ORDERED_NONE test which caused us grief in sles when it
was taken out as, IIRC, it allowed md/lvm to be thought of as supporting
barriers when they weren't in some configurations. This patch will be
reverting what went in as part of a change for the SGI-pv 964544
(SGI-Modid: xfs-linux-melb:xfs-kern:28568a).
SGI-PV: 971783
SGI-Modid: xfs-linux-melb:xfs-kern:29882a
Signed-off-by: Tim Shimmin <[EMAIL PROTECTED]>
Signed-off-by: David Chinner <[EMAIL PROTECTED]>
---
fs/xfs/linux-2.6/xfs_super.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 02ec14e..f904858 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -303,6 +303,14 @@ xfs_mountfs_check_barriers(xfs_mount_t *mp)
return;
}
+ if (mp->m_ddev_targp->bt_bdev->bd_disk->queue->ordered ==
+ QUEUE_ORDERED_NONE) {
+ xfs_fs_cmn_err(CE_NOTE, mp,
+ "Disabling barriers, not supported by the underlying device");
+ mp->m_flags &= ~XFS_MOUNT_BARRIER;
+ return;
+ }
+
if (xfs_readonly_buftarg(mp->m_ddev_targp)) {
xfs_fs_cmn_err(CE_NOTE, mp,
"Disabling barriers, underlying device is readonly");
-
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